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Table 3 Effects of piglet sex and presence of at least one mummified litter mate on traits at the piglet level

From: Genetic selection against intrauterine growth retardation in piglets: a problem at the piglet level with a solution at the sow level

Piglet sex

Male

Female

P value

HEAD CLASS

0.168 ± 0.009

0.194 ± 0.009

0.005

Ind BWT (g)

1452 ± 16

1411 ± 16

< 0.001

Mummified litter mate

No

Yes

P value

HEAD CLASS

0.168 ± 0.009

0.193 ± 0.0111

0.040

Ind BWT (g)

1452 ± 15

1411 ± 17

0.007

  1. HEAD CLASS = head morphology (score = 0 normal to 1 IUGR head morphology)
  2. Ind BWT = individual birth weight
  3. All standard errors (± SEM) are from a 2-variate model
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Genetics Selection Evolution

ISSN: 1297-9686